Re: BUG #5831: Splitting string into char array with string_to_array does not work

2011/1/11 Splitting string into char array with string_to_array
<valgog(at)gmail(dot)com>:
>
> The following bug has been logged online:
>
> Bug reference:      5831
> Logged by:          Splitting string into char array with string_to_array
> Email address:      valgog(at)gmail(dot)com
> PostgreSQL version: 9.0.1
> Operating system:   Ubuntu/Linaro 4.4.4-14ubuntu5
> Description:        Splitting string into char array with string_to_array
> does not work
> Details:
>
> Hi,
>
> I cannot really remember now for sure, but the splitting string into array
> using an empty string ('') worked for me on pre-9.0 versions to get array of
> string chars. Now I have the following behavior:

Hello

it's newer worked like you remember

postgres=# select regexp_split_to_array('abc','');
regexp_split_to_array
-----------------------
{a,b,c}
(1 row)

Regards

Pavel Stehule

>
>    postgres=# select string_to_array('ab', '' ),
> regexp_split_to_array('ab', '' );
>     string_to_array │ regexp_split_to_array
>
> ─────────────────┼───────â
> ��───────────────
>     {ab}            │ {a,b}
>    (1 row)
>
> Why an empty string given as a separator to string_to_array is not splitting
> the string at all?
>
> --
> Sent via pgsql-bugs mailing list (pgsql-bugs(at)postgresql(dot)org)
> To make changes to your subscription:
> http://www.postgresql.org/mailpref/pgsql-bugs
>